Deficiency:
It can produce:
- Anaemia.
- Delay in the growth
- Problems in the plumage,
- PEROSIS: It is a joint deficiency with the lack of manganese (Mn). Produces a landslide of the sinew of the gastronemious outside the bony pulley of the tarsius joint therefore the bones suffers a torsion outwards. (most of the times a single leg)